Eshag, Tahia Jafar Abdo Alhakam, et al. “Effect of Time and Haemolysis on Prothrombin Time (PT) and Activated Partial Thromboplastin Time (APTT) Measurement on Blood Samples”. Journal of Drug Delivery and Therapeutics, vol. 11, no. 6-S, Dec. 2021, pp. 114-22, https://doi.org/10.22270/jddt.v11i6-S.5252.